surveillance video, running carry-ons through a metal detector without stopping to review each image, suspended 30 days. at another airport, a screener walks away to help a family member at the ticket counter, then takes the family carry-on and bypasses screening, suspended 7 days. and the gao told congress today that half the screeners who fall asleep on the job receive less than even a minimum level of discipline called for by tsa's own policies. >> rather than punishing the employees using standard penalties, tsa chose to go easy on those who find it hard to stay awake while protecting the american people. >> reporter: the report says misconduct cases at tsa went up 27% over the past three years, about 9,600 in all, most for failing to show up as scheduled, violating security rules, or sleeping on duty. >> of the 9,600 cases, about half resulted in letters of reprimand, 31% resulted in suspensions, and 17% resulted in the employee's removal from tsa.